D-Link DGS-6600-48TS Configuration Guide - Page 146
Displaying and Verifying MSTP Protocol Operations
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Volume 3-Layer 2 Configurations / Chapter 14-Spanning Tree Protocol (STP) Configuration STP Configuration Commands In the following example, the user configures the internal link path cost for MSTI instance ID 0 to be 17031970 and the external path cost to be 20000 on Ethernet interface 4.20: DGS-6600:2>enable DGS-6600:15#configure terminal DGS-6600:15(config)#interface eth4.20 DGS-6600:15(config-if)#spanning-tree mst 0 cost 17031970 DGS-6600:15(config-if)#spanning-tree cost 20000 DGS-6600:15(config-if)#end Displaying and Verifying MSTP Protocol Operations Use the following commands to display and verify the MSTP protocol information: Command show spanning-tree mst instance INSTANCEID [,|-] show spanning-tree mst interface INTERFACE-ID [,|-]] show spanning-tree mst configuration show spanning-tree mst configuration digest Explanation Displays the MSTP information for an instance or set of instances. Displays the MSTP information for an interface or set of instances. Displays the MSTP information for the VLAN and MSTI mapping table. Displays the MD5 digest included in the current MST configuration identifier. In the following example, the user displays the MSTP information for instance 0: DGS-6600:2>show spanning-tree mst instance 0 Spanning tree : Enabled , protocol : MSTP Operational : Forward delay 14, Max age 19 Configured : Forward delay 14, Max age 19 Max hops 19, Tranmit Hold count 5 >>>>> MST0 vlans mapped: 1-299,305-4094 Bridge address: 06-8b-00-19-00-00 , Priority: 4096 (4096 sysid 0) Designated Root: address:06-8b-00-19-00-00 , Priority: 4096 (4096 sysid 0) Regional Root : address:06-8b-00-19-00-00 , Priority: 4096 (4096 sysid 0) Internal Root path cost: 0 Designated Bridge : address:06-8b-00-19-00-00 , Priority: 4096 (4096 sysid 0) Topology Changes Count : 1 codes - F : Fast forwarding on the port is enabled Configured link type : A: Auto , P: point to point , S: shared Priority Link Interface Role State Cost .Port Type Edge A eth4.47 Designated Forwarding 200000 128.303 P2P Edge DGS-6600:2> DGS-6600 Configuration Guide 146
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